期刊
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY
卷 6, 期 -, 页码 1120-1126出版社
BEILSTEIN-INSTITUT
DOI: 10.3762/bjoc.6.128
关键词
N-heterocyclic carbene; olefin metathesis; percent buried volume; ruthenium-indenylidene; Tolman electronic parameter
资金
- EC [CP-FP 211468-2-EUMET]
- Royal Society
The steric and electronic influence of backbone substitution in IMes-based (IMes = 1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene) N-heterocyclic carbenes (NHC) was probed by synthesizing the [RhCl(CO)(2)(NHC)] series of complexes to quantify experimentally the Tolman electronic parameter (electronic) and the percent buried volume (%V-bur, steric) parameters. The corresponding ruthenium-indenylidene complexes were also synthesized and tested in benchmark metathesis transformations to establish possible correlations between reactivity and NHC electronic and steric parameters.
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